User experience improvements

Oqtane.Client/Themes/Controls/Theme/MenuBase.cs

@@ -0,0 +1,43 @@
+using System.Collections.Generic;
+using System.Linq;
+using Oqtane.Models;
+using Oqtane.Security;
+using Oqtane.Shared;
+
+namespace Oqtane.Themes.Controls
+{
+    public class MenuBase : ThemeControlBase
+    {
+        protected IEnumerable<Page> MenuPages => GetMenuPages().ToList();
+
+        protected string GetTarget(Page page)
+        {
+            return page.Url != null && page.Url.StartsWith("http") ? "_new" : string.Empty;
+        }
+
+        protected string GetUrl(Page page)
+        {
+            return string.IsNullOrEmpty(page.Url) ? NavigateUrl(page.Path) : page.Url;
+        }
+
+        private IEnumerable<Page> GetMenuPages()
+        {
+            var securityLevel = int.MaxValue;
+            foreach (Page p in PageState.Pages.Where(item => item.IsNavigation && !item.IsDeleted))
+            {
+                if (p.Level <= securityLevel && UserSecurity.IsAuthorized(PageState.User, PermissionNames.View, p.Permissions))
+                {
+                    securityLevel = int.MaxValue;
+                    yield return p;
+                }
+                else
+                {
+                    if (securityLevel == int.MaxValue)
+                    {
+                        securityLevel = p.Level;
+                    }
+                }
+            }
+        }
+    }
+}